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Hazardous Weather Conditions
Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Light Rain Fog/Mist
68°F
20°C
| Humidity | 93% |
| Wind Speed | SE 15 mph |
| Barometer | 29.75 in (1007.3 mb) |
| Dewpoint | 66°F (19°C) |
| Visibility | 4.00 mi |
| Last update | 21 Jun 3:54 pm CDT |
Extended Forecast for
4 Miles ESE Bethany IL
Flood Watch June 21, 04:16pm until June 22, 01:00am
Tornado Watch until June 21, 09:00pm
NOW: Multiple hazards in effect
Click HERE for Details
This Afternoon
High: 74 °F
Severe
ThunderstormsTonight
Low: 61 °F
Severe
Thunderstorms
then Slight
Chance
ShowersMonday
High: 73 °F
Decreasing
CloudsMonday Night
Low: 54 °F
Mostly Clear
Tuesday
High: 77 °F
Sunny
Tuesday Night
Low: 58 °F
Mostly Clear
Wednesday
High: 80 °F
Mostly Sunny
then Chance
T-stormsWednesday Night
Low: 64 °F
Chance
T-storms
Detailed Forecast
This Afternoon
Showers and thunderstorms. Some of the storms could be severe and produce heavy rainfall. High near 74. South southeast wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Some of the storms could be severe and produce heavy rainfall. Cloudy, with a low around 61. South wind 8 to 11 mph becoming west northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 50%.
Monday
Cloudy, then gradually becoming mostly sunny, with a high near 73. North wind 11 to 14 mph, with gusts as high as 21 mph.
Monday Night
Mostly clear, with a low around 54. North northeast wind 5 to 9 mph.
Tuesday
Sunny, with a high near 77. Northeast wind 3 to 5 mph.
Tuesday Night
Mostly clear, with a low around 58. Light and variable wind.
Wednesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 80. Light and variable wind becoming south southwest 5 to 7 mph in the morning.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 64. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 81.
Thursday Night
Partly cloudy, with a low around 60.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 81.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 83.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69.
Sunday
Partly sunny, with a high near 87.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
4 Miles ESE Bethany IL
39.61°N 88.67°W (Elev. 659 ft)
39.61°N 88.67°W (Elev. 659 ft)
2:41 pm CDT Jun 21, 2026
4pm CDT Jun 21, 2026-6pm CDT Jun 28, 2026
Additional Resources
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Hourly Weather Forecast
